<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>导航栏</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" type="text/css" href="bootstrap-3.3.5-dist/css/bootstrap.min.css">
	<link rel="stylesheet" type="text/css" href="grid_system.css">
	<script src="bootstrap-3.3.5-dist/js/bootstrap.min.js"></script>
</head>
<body>
	<div class="container">
	<nav class="navbar navbar-default navbar-inverse navbar-fixed-top" role="navigation">
  <div class="container-fluid">
    <div class="navbar-header">
      <a class="navbar-brand" href="#" style="border:2px solid white">
      点击
      </a>
      <form class="navbar-form navbar-left" role="search">
	      <div class="form-group">
	        <input type="text" class="form-control" placeholder="Search">
	      </div>
	      <button type="submit" class="btn btn-default">搜索</button>
	  </form>
      <ul class="btn-group" style="margin-top:7px; margin-bottom:7px">
        	<button class="btn btn-large btn-primary">button1</button>
        	<button class="btn btn-large btn-primary">button2</button>
        	<button class="btn btn-large btn-success">button3</button>
        	<button class="btn btn-large btn-primary">button4</button>
        	<button class="btn btn-large btn-primary">button5</button>
        </ul>
    </div>
  </div>
</nav>
	</div>
</body>
</html>